A contactless electric power supply device of the present invention is provided with: multiple supply coils and an alternating current power source arranged on a fixed section; multiple receiving coils and a receiving circuit provided on a moving body; and a face-to-face power supply section provided for each of the multiple supply coils and configured to supply alternating current power from the alternating current power source to the supply coils only when detecting a face-to-face state between the supply coil and the receiving coil; wherein separation distances and lengths in the moving direction of the multiple supply coils and multiple receiving coils are set to satisfy face-to-face conditions, and a receiving circuit converts alternating current power received by at least one of the receiving coils in the face-to-face state and generates a receiving voltage at least equal to a driving voltage.

A power supply system comprising a track, which defines a trajectory, wherein the track comprises a track segment terminating at a segment end in a forward direction of the trajectory, and a hood, which is arranged in the extension of the track segment along the trajectory in the forward direction beyond the segment end; while a stringer, which supports the track segment, extends along the trajectory and terminates with a cut end in the forward direction. According to the invention, the system further comprises a reinforcing piece, which is applied against the cut end, in order to extend the stringer in the forward direction, wherein the reinforcing piece is essentially made of plastic and supports the hood.

A method for controlling electrical power transmission to a vehicle is provided, the vehicle including a charging component receiving electrical charge current from individually controlled charge segments along a road for the vehicle, wherein the method includes the steps of receiving a signal indicative of a charge current mode for the charge segments along the road; determining if at least one charge segment ahead of the vehicle is provided in a disabled charge mode and currently not being able to provide an electrical charge current; calculating a time period until the vehicle arrives at the charge segment provided in the disabled charge mode; and shutting off the electrical power transmission to the vehicle within a predetermined time period of the calculated time period.

A method is for maintenance of a ground-level power supply for a transport vehicle. The device includes: a power supply rail, a detector of spatial coordinates of a vehicle; and a power supply shoe. The device and the shoe equip the same vehicle. The supply shoe includes a vibration sensor. The method includes measuring vibrations of the shoe and simultaneously detecting spatial coordinates of the vehicle during the movement of the vehicle along the rail, followed by comparing measured vibrations of the shoe with a threshold value, and determining spatial coordinates corresponding to vibrations above the threshold value.

The present disclosure provides a magnetic field communication ground power system of an electric vehicle, the system includes a reflux rail and multi-segment conductive rail mounted on a ground. The electric vehicle runs through the reflux rail, and receives electric power from the conductive rail through conductive boots so as to drive the electric vehicle to move. The system further includes: a plurality of driving positive electrodes configured to connected to the conductive rail; at least one electromagnetic controlling system configured to turn on or turn off the driving positive electrodes; a plurality of magnetic controlling systems configured to collect a position of the electric vehicle on the reflux rail, wherein the magnetic controlling systems transmit the sampled position of the electric vehicle to the electromagnetic controlling system, and the electromagnetic controlling system turns on or turns off voltage of the driving positive electrodes.

The inventive system, of the conduction type, comprises: a pair of power supply tracks, comprising a so-called live conductive track (11), designed to be electrically connected to a voltage source, and a so-called neutral conductive track (12), for the current return, designed to be electrically connected to a reference potential (V.sub.ref), the neutral track traveling parallel to the live track on a first side thereof; and a protective conductive track (13), designed to be connected to a ground potential, the protective track traveling parallel to the live track (11) on a second side thereof, opposite the first side. The system is installed in a roadway such that the live, neutral and protective conductive tracks are flush with a surface (18) of the roadway (2).

The inventive system, of the conduction type, comprises: a pair of power supply tracks, comprising a so-called live conductive track (11), designed to be electrically connected to a voltage source, and a so-called neutral conductive track (12), for the current return, designed to be electrically connected to a reference potential (V.sub.ref), the neutral track traveling parallel to the live track on a first side thereof; and a protective conductive track (13), designed to be connected to a ground potential, the protective track traveling parallel to the live track (11) on a second side thereof, opposite the first side. The system is installed in a roadway such that the live, neutral and protective conductive tracks are flush with a surface (18) of the roadway (2).

A ground equipment for a transport system includes a track for a land transport vehicle; an external power supply device including a plurality of power supply segments arranged sequentially along the track, the plurality of power supply segments forming an external power supply zone, at least one end segment being situated in vicinity to one end of the external power supply zone adjacent to a zone with no external power supply, to be traveled with an onboard power supply device, a communication antenna being associated with the or each external power supply segments; and a controller adapted to power on the end segment and adapted to send, using an antenna associated with that end segment, a signal indicating the end of a zone with an external power supply in response to a presence signal of the land transport vehicle received by said antenna.

A land transport vehicle includes a traction motor; a capture device for contact with a power supply segment of an external power supply device and for connection to the traction motor; a communication unit to communicate with ground equipment associated with the power supply segment in a vicinity of which the land transport vehicle is currently traveling; an onboard controller connected to the communication unit; and an onboard power supply device for connection to the traction motor, the onboard controller being adapted to a) regulate the power supplied to the traction motor, b) receive a signal indicating an end of a zone with an external power supply, and c) command, after receiving the signal indicating the end of a zone, a transition from a power demand from the external power supply device toward a power demand from the onboard power supply device to power the traction motor.

A method for controlling a land transport vehicle traveling on a track, the track including, in a movement direction of the land transport vehicle, a zone with an external power supply adjacent to a zone without an external power supply to be traveled with an onboard power supply device, the zone with an external power supply including an external power supply device on the ground provided with a plurality of power supply segments arranged sequentially in the direction of the track, the land transport vehicle including at least one capture device adapted to be placed in contact with a power supply segment on the one hand and to be electrically connected to at least one traction motor on the other hand, the land transport vehicle further including an onboard power supply device adapted to be electrically connected to the or each traction motor.